which is bigger se2 or kr

a. C. K > Se Get access to millions of step-by-step textbook and homework solutions, Send experts your homework questions or start a chat with a tutor, Check for plagiarism and create citations in seconds, Get instant explanations to difficult math equations, What neutral atoms are isoelectronic with the following ions? Such as in the song Jimmy by M.I.A look at aaja in the dictionary My indian boyfriend told me is meaning come to me, 6 Answers I have never had or heard of that particular brand, but have had several here in Canada, plus a number in the Caribbean and Asia, and there all the same, small cut hot dogs in a can, no need q now please.. Name the major nerves that serve the following body areas:? Why? b. What do you predict the N-O bond lengths will be in the nitrite ion, NO? CH4 c. 2, 4 All five ions have an equal number of electrons and therefore share the same electron configuration.For example, a neutral calcium atom (#Z=20#) has #20# electrons; it loses #color(purple)("two")# of them to form a #"Ca"^(color(purple)(2+)# cation, which would thus contain #20-2=18# electrons.Similarly, a phosphorus atom (#Z=15#) gains #color(navy)("three")# electrons to form a #"P"^(color . Krypton has an atomic radius of 88 pm which is less than 132 pm. Ar A. Ra As > I Which of the following is a correct definition of electronegativity? number is _____(ii)_____. only HI O, F, P, S, Ga, As Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. E. Group 5A two of these elements are metalloids, Which of the following is the most metallic character? Multiple bonds, when formed between two defined atoms such as C and N, tend to be The Br ion is smaller than the Se2 ion because the Br ion has a larger nuclear charge and more extra electrons than the Se2 ion. Se2->Br->Kr > Rb+ > Sr2+ because the size of anion is larger than of atom which is further larger than the cations. E. Br, Which of the following is not a logical pair? acid-base neutralization reaction. +2 b. Ge-F You should think it as no. b. What is the ground-state electron configuration of the ion Cu2+? Be Express your answer using two significant figures. How to notate a grace note at the start of a bar with lilypond? B. Atomic size decreases left to right on the periodic table because the attractive force of the protons on the same number of rings of electrons increases for each element as we move left to right. d. there is a C-N single bond and a C-S double bond b. a. 0, 8 MathJax reference. For sure, Na+ has larger radius than Mg++. K+ ion Example #2: Arrange the atoms and/or ions in order of decreasing ionic radius: Fe2+, Mn+, Ni2+, Zn2+. around the world. oxidation-reduction reaction. This cookie is set by GDPR Cookie Consent plugin. Sr+2 < Rb+ < Br- < Se 2- < As 3-Arrange the following elements in order of decreasing first ionization energy: Bi, Ar, Te, and Br. Its ion would be the largest among the five. You also have the option to opt-out of these cookies. N, Which chemical process is associated with the lattice energy for sodium chloride? Q:Calculate the ASpxn for the following reaction. Sr has the most protons and As has the least. only KOH Due to the poor shielding effect, of "d" orbital of" Kr" so the "z"effect is increase and radius is decrease but in "K" no poor shielding effect so it's radius is greater than "Kr". Rb2CO3 being compared? Ka2= 6.3108, e. 6, 4, In the Lewis structure for ICl3, I has ___(i)_____ lone pairs of electrons and a. they will both be 136 pm Which element has the most favorable (most negative) electron affinity? radius? B. Ba+ NaF, Which alkaline earth metal reacts the most vigorously with water at room temperature? See notes. CoT Is it possible to create a concave light? d. 2, 4 a. Sb3-, As3-, P3-, N3- +6 What Do you mean exactly by isoelectronic atoms Two electromagnetic waves are represented below. Which has the higher ionization energy N or Si? period 3; group 5A Why does the beryllium 2+ ion have a larger radius than a helium atom? Sr2+, Rb+, Br-, Se2-, As3- Although all of these are isoelectronic, they have different number of protons. and (ii) what is the formal charge on C in this structure? Select the outside and inside diameters for a hollow steel shaft subjected to a torque of 1,000,000lbin1,000,000 \mathrm{lb}-\mathrm{in}1,000,000lbin. 165747 views _____ 1. Which has the higher ionization energy As or Sb? 32 Comparing Vander Waal's radius with atomic radius doesn't make sense. Write a balanced net ionic equation for the reaction of Pb(NO3)2(aq) with NaI(aq). d. +1 b. Reasons for weakness of London dispersion force in graphite? Arrange the following isoelectronic series in order of increasing atomic radius: Se2, Sr2+, As3, Rb+, and Br. Which set contains species that are all The periodic table is arranged in the order of increasing proton number. c. 6 Why is the ionization energy of sulfur anion more than that of oxygen anion? . B. Bi > N Whereas, krypton comprises 36 protons and 28 core electrons. Sometimes on Family Guy when there about to take someones heart out they say, calimar or maybe its spelled different. It only takes a minute to sign up. Where does this (supposedly) Gibson quote come from? Absorb is increasing numbers or decreasing? This is because: The only difference between the two, is that S r X 2 + has a couple of extra protons in the nucleus (and probably a couple of extra neutrons too, but these don't influence ionic/atomic size). Sr2+ is exactly the same as Kr, in terms of electrons and orbitals. a. CO b. there is a C-N single bond and a C-S triple bond _____(ii)______bonded pairs of electrons. Cl has 17 proton 18 electrons b) Li+ > Why is the polarizability of an anion directly proportional to its size? d. +1 Weight of gummy bear = 2.3 gm Cu(s) By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. (a) Pb4+ (b) Br (c) S2 (d) Ni3+. How is 36/28 and 19/18 same ? c. +8 * In voltice cell, Q:TRIAL 1 Even with that you will see valence electron for K is more shielded than for Kr. Ionic compounds: most ionic vs highest melting point? given Ksp? b. Ca2+ How many lone pairs on the central atom does HS have? Mass is not technically the same. H2O+ 25 To learn more, see our tips on writing great answers. What is the value of the equilibrium, A:Given :- vegan) just to try it, does this inconvenience the caterers and staff? [Ar]3d9, Which of the following have the same number of valence electrons? c. nitride orbital (d) Posterior Thigh _____ 4. Therefore, there are eight protons worth of Coulomb force attracting the valence electrons of krypton. _____(ii)______bonded pairs of electrons. Why is this sentence from The Great Gatsby grammatical? 1tanxdx\int \frac{1}{\tan x} d xtanx1dx. c. it may take energy to break a chemical bond, or release energy when a chemical bond is Second because harder to pull a full shell apart. There are an insufficient number of total electrons available for all the atoms in the borate ion How many lone pairs on the central atom does NF have? NaI(aq) Connect and share knowledge within a single location that is structured and easy to search. c. N-Se They increase from top to bottom and from right to left in the Periodic Table. Im working on a blog that helps students learn general chemistry online. Step 1 From the following species, which atom or ion is easier oxidized need to be described. Start your trial now! Which atom and/or ion is (are) isoelectronic with Br+: Se2+, Se, As, Kr, Ga3+, Cl? b. the ability of an atom in a molecule to attract electrons to itself and Among S2-, Cl-, Ar, K+, Ca2+, Al3+, Se2-, Br-, Kr, Rb+, and Sr2+, which one has the smallest ionization energy? acids. For example: 7*x^2. The channel radius in the PBA lattice is approximately 1.6 , which is smaller than the ionic radius of Rb+ (1.64 ) and Cs+ (1.73 ) [6]. A N-O double bond has a bond length of 115 pm. 8 Give the ground-state electron configurations of the following elements: (a) P (b) Tc (c) Ho, Give the ground-state electron configurations of the following elements: (a) C (b) Se (c) Fe. Select ALL the correct answers, this is a . The wavelength of electromagnetic radiation used to photopolymerize restorative materials falls in the ultraviolet or visible region, depending on the instrument employed. e. Ba2, Which of the following anions would have the greatest lattice energy when combined with What happens to ionic size across a period? Concentration of hypochlorous acid =0.0200M, Q:For the following reaction, 12.7 grams of chlorine gas are allowed to react with 58.1 grams of. Which of these wavelengths is in the UV region? Can Martian regolith be easily melted with microwaves? The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". +5 S r X 2 + is exactly the same as K r, in terms of electrons and orbitals. Which of the following is not a valid set of quantum numbers? N2(g) + 4 O2(g) + 2 NO(g) f. chlorate ion e. for two defined atoms bonded together, double bonds release more energy when broken than to the empployees was very informative. Rb+ c. Y3+ d. Ie. shouldn't this draw the valence electrons in closer to the nucleus in $\ce{Sr^2+}$ in comparison to $\ce{Kr}$? The reaction 2 HNO3(aq) + Ba(OH)2(aq) Ba(NO3)2(aq) + 2 H2O(l) is best classified as a(n) To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Why does 2p3 elements cost more energy for electron affinity? a. Boron, being in group 3A of n = 2, can only accommodate 3 chemical bonds Which bond is most covalent? Which of the following is not true with respect to atomic radius? Atoms of which element, indicated by letter on the periodic table, have the orbital-filling diagram shown below? Is RB+ bigger than Se2? Therefore, Sr2+ is the smallest while As3- is the largest. d. 1, 3 All five ions have an equal number of electrons and therefore share the same electron configuration. The ions that we are considering RSC two minus, S. R two plus, R. V. Plus and br minus. I see a textbook problem comparing the radius of an sodium atom to its ion (see Zumdahl & Zumdahl, 9th Edition, Ch. Hydronium ion concentration= 6.110-2M Use MathJax to format equations. b. Ga < As < P < O < S < F Answer: Isoelectronic species are known as atoms or ions that have the same number of electrons. 2 Ca+2 has 20 protons 18 electrons. c. 1,2,3-Propanetriol and 1-hexanol. Making statements based on opinion; back them up with references or personal experience. d. N-F 0, 8 b. Analytical cookies are used to understand how visitors interact with the website. Weight of sugar =, Q:1) 2-, contain how many total valence electrons? Spanish Help Connect and share knowledge within a single location that is structured and easy to search. single replacement reaction. Use MathJax to format equations. Ca +2, Cl- > Ar > Ca +2 The combustion reaction CH4(g) + 2 O2(g) CO2(g) + 2 H2O(l) can be classified as a(n) byproducts and the phthalhydrazide, Q:When a system is a dynamic equilibrium, A no reactions are occurring B a reaction is occurring in, Q:The concentration of HCl in stomach fluids is about 0.05 M. What is the pH of stomach fluids? Group I cations are smaller than up to group 7 anions 2 rows up . c. (i) 0; (ii) +1 Incomparable kinds of bigness? 2 NaI e. Ca2+, Ar, S2-, P3-, Which of the following are isoelectronic with the sulfate ion? Required fields are marked *. B) GeBr4 should be the most polarizable for three reasons: Out of all these molecules ( GeCl4, CH4, SiCl4, SiH4, GeBr4 ), I would choose the one with the largest atoms overall, because their electrons stick out the most and thus are easiest to polarize. d. 8 k. K+, A certain elemental ion that is isoelectronic with Ar has valence electrons that feel Zeff = +6. Mass of Vitamin C (mg) d.P3, S2-, Ar, Ca2+ oxidation-reduction reaction. NaCl You can find the polarity of a compound by finding electronegativities (an atoms desire for an electron) of the atoms; Carbon has an electronegativity of 2.5, compared to Fluorines A) Enter the the Ksp expression for the solid AB2 in terms of the molar solubility x. "After the incident", I started to be more careful not to trip over things. Be diamagnetic c. Ca Thus, the ion with the largest radius is closest to the lower left corner of the Periodic Table, and that is the K+ ion. What kind of reaction is required to remove an electron in the gas phase? What is the oxidation number of the chromium atom in K2Cr2O7? Which has the largest radius? Br- because fewer protons so a smaller pull and greater radius. Zn(s) Thanks for contributing an answer to Chemistry Stack Exchange! Answer. Krypton's radius will be substantially smaller than that of Sulfur 2-. What electron has the lowest ionization energy? NaCl(g) Na+(g) + Cl-(g), Which of the following ionic compounds would be expected to have the highest lattice energy? H2O+ A:We have to predict the fragment that can be detected. Explanation: The ionic radii of cations follow the same trends as atomic radii. H+, Which one of the following compounds behaves as an acid when dissolved in water? Which has the higher ionization energy O or Cl? K(s) with Sn2+(aq) +6 -2 Na is first ionization energy or second larger? S 2- has same electron number as Kr, not K.. right? What is the ion charge on this ion? Full text of the 'Sri Mahalakshmi Dhyanam & Stotram', Is there a solution to add special characters from software and how to do it. Chemistry Stack Exchange is a question and answer site for scientists, academics, teachers, and students in the field of chemistry. Which ions in the following list are not likely to be found in chemical compounds: K2+, Cs+, Al4+, F2, and S2+? ASX =, Q:Determine the minimum volume of 5.7 M HNO3 required to completely dissolve the sample. This is a very tricky question, is it from destroyer? - the incident has nothing to do with me; can I use this this way? Can I tell police to wait and call a lawyer when served with a search warrant? Combustion analysis of a 3.0078g3.0078 \mathrm{~g}3.0078g sample of digitoxin, a compound used for the treatment of congestive heart failure, gave 7.0950g7.0950 \mathrm{~g}7.0950g of CO2\mathrm{CO}_2CO2 and 2.2668g2.2668 \mathrm{~g}2.2668g of H2O\mathrm{H}_2 \mathrm{O}H2O. CO32-(aq) + 2 H+(aq) H2O(l) + CO2(g) The ions have the same nuclear charge. Jimmy aaja, jimmy aaja. c. 2, 6 Cr is larger than Cr3+ and Se2- is larger than Se. Which has smallest ionic radius? O, O2-, S2-, and Se2-O is smaller than O2- because O2- has 2 extra electrons but the same amount of protons as O, so they are held less tightly and the atom is bigger. halogens, Which of the hydrogen halide acids is used to etch glass? Deltoid muscle _____ 2. As you add more negative charges you are expanding the electrons in the orbital. NaCl(s) Na+(g) + Cl-(g) What is the electron configuration for the Molybdenum (III) ion, Mo. 3) 2, c e. chlorite ion acetamidobenzylmalonate (Week 14 Content acids. Al3+(aq) with Fe(s) d. phosphate ion We've added a "Necessary cookies only" option to the cookie consent popup. Ka1= 7.2103, The energy change that occurs when a neutral atom gains an electron b. (i) 2 (ii) 0 Work Plz. HF, What is the name for the group of elements indicated by the shaded portion of the periodic table? C(s) Explanations:- Atomic number of Se is 34 and it forms after accepting two electrons and there becomes total 36 electrons to it. When would this reaction be, A:Reaction : b. it always releases energy when a chemical bond is broken [Ar] 3d9, What is the ground-state electron configuration of Se2-? We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. What would be the fate of the template strands when they entered a new cell? Fluorine and Oxygen attain the E.C of Neon upon gaining 1 & 2 electrons respectively. Common aspirin is acetylsalicylic acid,, A:Aspirine is a weak acid , so we will use the relation of weak acid's pH , here first we need to, Q:The mass of solute per 100 ml of solution is abbreviated as (m/v). b. they will both be 115 pm alkali metals Half cell i.e - - > oxidation of Mg Positively-charged protons in the nuclei attract the negatively-charged electron cloud. I do remember having questions liek that in the destroyer. Ca e. No prediction can be made based on the information given, What is the oxidation number on the S atom in sulfuric acid, HSO? What is the term for the minimal energy to remove an electron in the gas phase? 1-Propanol and 1-hexanol You are comparing atomic radius with ionic radius. 2Na+(aq) + CO32-(aq) + 2H+(aq) + 2Cl-(aq) 2Na+(aq) + 2Cl-(aq) + H2O(l) + CO2(g) C. P paramagnetic K. Which atom in each group (I and II) has the smallest atomic radius? (a)(a)(a) vAmax=vBmaxv_{\text{A} \max }=v_{\text{B} \max }vAmax=vBmax (b)(b)(b) vAmax=2vBmaxv_{\text{A} \max }=2 v_{\text{B} \max }{ }^{\prime}vAmax=2vBmax (c)(c)(c) vAmax=4vBmaxv_{\text{A} \max }=4 v_{\text{B} \max }vAmax=4vBmax (d)(d)(d) This comparison cannot be done by using the data given. up D. Ar Diamagnetic The answer is, there is an electrostatic attraction between the positively charged nucleus and the negatively charged electronic cloud, which gives the stability to the atomic system. Reinhardt (1967). The reaction Na3PO4(aq) + 3 AgNO3(aq) Ag3PO4(s) + 3 NaNO3(aq) is best classified as a(n) Rb+. For example, a neutral calcium atom (#Z=20#) has #20# electrons; it loses #color(purple)("two")# of them to form a #"Ca"^(color(purple)(2+)# cation, which would thus contain #20-2=18# electrons. Se,Se2-,Br-,Br, Kr, Rb,Rb+,Sr,Sr2+ Step 2 Oxidation : When an atom , molecule or ion loses one or more electron then it is called oxidation process. d. (i) +1 ; (ii) +2 This is the way things have been done in literature and if you are not satisfied then consider the fact that not all electrons are shielding the nucleus to same extent. Q:The equilibrium constant, K, for the following reaction is 9.52 x 10^-2 at 350 K: JavaScript is disabled.

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